U.S. 9th Air Force P-40 Warhawk fighters dive on enemy positions near Saint-Lo after the D-Day invasion of France.

U.S. Army Air Force fighters over Saint-Lo, Normandy, France, during World War II. U.S. 9th Air Force P-40 Warhawk fighter airplanes dive towards enemy positions. Smoke rises from hills in the background. Formations of B-24 Liberator bombers pass overhead.